and then hurricane sandy hit. on tuesday romney will try to do something only accomplished once in 100 years. he'll try not to just unseat an incumbent president, but he's trying to knock a party out of power after just one term. while the president is targeting each part of his coalition with a handful of small arguments, romney is counting on winning the large one. >> he made a lot of promises, but those promises he couldn't keep. and the difference between us, he made promises he couldn't keep, i'm making promises i have kept and i will keep them for the american people. >> so where does that leave us? the two campaigns believe passionately in two different realities. the obama campaign believes the country's demographics have changed the electorate in their favor. the romney campaign believes you have the momentum to swing over. it's possible we are headed for a 50/50 split. it all comes down to nine states or is it seven or is it five? whatever the result, polization is hardening. the house has changed hands